package chongxin;

public class Paer implements dayin{
    @Override
    public void caimo() {
        System.out.println("使用彩墨打印B5");
    }
    @Override
    public void heimo() {
        System.out.println("使用黑墨打印A4");
    }

    public static void main(String[] args) {
         Paer th=new Paer();
         th.caimo();
         th.heimo();
    }
}
